Integumentary System Quiz Unit 3

30 Questions | Total Attempts: 468

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Integumentary System Quiz Unit 3

Unit 3 Review


Questions and Answers
  • 1. 
    What layer of the skin is shown below?
    • A. 

      Dermis

    • B. 

      Epidermis

    • C. 

      Subcutaneous layer

  • 2. 
    What layer of the skin is this?
    • A. 

      Dermis

    • B. 

      Epidermis

    • C. 

      Subcutaneous layer

  • 3. 
    Which layer of the skin is made of mostly dead cells that are full of keratin?
    • A. 

      Epidermis

    • B. 

      Dermis

    • C. 

      Subcutaneous layer

  • 4. 
    Which layer of the skin contains lots of fat tissue and blood vessels?
    • A. 

      Epidermis

    • B. 

      Dermis

    • C. 

      Subcutaneous layer

  • 5. 
    Which accessory organ is shown here?
    • A. 

      Hair shaft

    • B. 

      Sweat gland

    • C. 

      Sebaceous gland

    • D. 

      Blood vessel

  • 6. 
    Which accessory organ is shown below?
    • A. 

      Hair shaft

    • B. 

      Hair follicle

    • C. 

      Sweat gland

    • D. 

      Sebaceous gland

  • 7. 
    Sweat is released through the:
    • A. 

      Sebaceous glands

    • B. 

      Hair shafts

    • C. 

      Arrector pili

    • D. 

      Pores

  • 8. 
    Which accessory organ is shown below?
    • A. 

      Pore

    • B. 

      Sweat gland

    • C. 

      Hair follicle

    • D. 

      Sebaceous gland

  • 9. 
    In the diagram, letter A represents the:
    • A. 

      Basal layer

    • B. 

      Melanocytes

    • C. 

      Stratum corneum

    • D. 

      Keratinocytes

  • 10. 
    In the diagram, letter B represents the:
    • A. 

      Basal layer

    • B. 

      Stratum corneum

    • C. 

      Keratinocytes

    • D. 

      Osteocytes

  • 11. 
    Keratin helps to:
    • A. 

      Create skin color

    • B. 

      Waterproof the skin

    • C. 

      Make bone cells

    • D. 

      Make blood cells

  • 12. 
    Which best describes the process of keratinization?
    • A. 

      Cells receive more nutrients as they move upwards, from blood vessels in the stratum corneum

    • B. 

      Melanocytes in the basal layer produce keratin that fills epidermal cells

    • C. 

      Cells in the stratum corneum lose keratin as they sink lower into the deeper layers of the epidermis

    • D. 

      Epidermal cells die, flatten and fill with keratin as they move upwards in the epidermis

  • 13. 
    Where do the nutrients come from to build more epidermal cells?
    • A. 

      Nutrients come from the stratum corneum and trickle down into the basal layer

    • B. 

      Keratinocytes create nutrients for the epidermal cells

    • C. 

      Blood vessels below the epidermis supply nutrients that help basal cells to multiply

    • D. 

      Blood vessels in the subcutaneous layer make cells, and they move through the dermis into the epidermis

  • 14. 
    The layer of cells that constantly divide in the epidermis is the
    • A. 

      Basal layer

    • B. 

      Subcutaneous layer

    • C. 

      Stratum corneum

    • D. 

      None of the above

  • 15. 
    Cells that produce keratin are known as:
    • A. 

      Keratinocytes

    • B. 

      Melanocytes

    • C. 

      Osteocytes

    • D. 

      None of the above

  • 16. 
    Cells that produce melanin are known as:
    • A. 

      Osteoblasts

    • B. 

      Osteocytes

    • C. 

      Melanocytes

    • D. 

      Keratinocytes

  • 17. 
    High levels of melanin:
    • A. 

      Make the skin lighter

    • B. 

      Make the skin darker

    • C. 

      Can lead to eczema

    • D. 

      Create acne

  • 18. 
    What is the main purpose of melanin?
    • A. 

      To create proteins in our hair and nails

    • B. 

      To protect the skin’s cells from UV rays

    • C. 

      To repair the damage done by UV rays

    • D. 

      To destroy foreign viruses and bacteria

  • 19. 
    Why do these people have different skin colors?
    • A. 

      Some have more melanocytes than others

    • B. 

      Some have melanocytes that produce more melanin than others

    • C. 

      Some have more keratinocytes than others

    • D. 

      Some have spend more time in the sun

  • 20. 
    A person with very low levels of melanin has a serious risk of:
    • A. 

      Vitamin D deficiency

    • B. 

      Skin cancer

    • C. 

      Eczema

    • D. 

      Psoriasis

  • 21. 
    A person with very high levels of melanin is at risk for:
    • A. 

      A vitamin D deficiency

    • B. 

      Skin cancer

    • C. 

      Eczema

    • D. 

      Arthritis

  • 22. 
    Identify this disease:
    • A. 

      Vitiligo

    • B. 

      Psoriasis

    • C. 

      Eczema

    • D. 

      Acne

  • 23. 
    A 22-year old male swimmer comes in with an itchy, blistery rash between his toes and on the sole of his right foot. Identify this disease:
    • A. 

      Eczema

    • B. 

      Psoriasis

    • C. 

      Athlete's foot

    • D. 

      Vitiligo

  • 24. 
    Which of the following best explains albinism?
    • A. 

      Melanocytes no longer work to produce melanin

    • B. 

      Keratinocytes no longer work to produce keratin

    • C. 

      Melanocytes produce extra melanin

    • D. 

      A fungus is growing in the skin

  • 25. 
    Which is the best description of eczema?
    • A. 

      A genetic mutation causes basal cells to reproduce too quickly

    • B. 

      An allergy causes redness and irritation in the skin

    • C. 

      Melanocytes die and cannot produce melanin

    • D. 

      An autoimmune response causes redness and irritation

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